- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 5/14 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
Patent holdings for IPC class C02F 5/14
Total number of patents in this class: 243
10-year publication summary
|
11
|
19
|
19
|
20
|
14
|
22
|
18
|
11
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1185 |
23 |
| Ecolab USA Inc. | 5451 |
18 |
| NCH Corporation | 257 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
8 |
| BASF SE | 20777 |
7 |
| Nouryon Chemicals International B.V. | 603 |
6 |
| BL Technologies, Inc. | 831 |
5 |
| ChemTreat, Inc. | 223 |
5 |
| Kemira Oyj | 1194 |
5 |
| Dequest AG | 11 |
4 |
| Organo Corporation | 456 |
4 |
| Veolia Water Solutions & Technologies Support | 536 |
4 |
| General Electric Company | 13829 |
3 |
| Whirlpool Corporation | 4387 |
3 |
| Rohm and Haas Company | 2906 |
3 |
| Dow Global Technologies LLC | 10354 |
3 |
| Toray Industries, Inc. | 6891 |
3 |
| MeadWestvaco Corporation | 342 |
3 |
| Rhodia UK Limited | 7 |
3 |
| Solenis Technologies, L.P. | 331 |
3 |
| Other owners | 121 |